# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        潘炎珍  
# Name:         test01
# Description:
# Author:       98745
# Date:         2019/3/2
#-------------------------------------------------------------------------------

d={}
d['n']='boya'
d['co']='100'
d[0.1]='rgh'
print(d)
print(len(d))